racket:scheme::firefox:html

Signed-off-by: Jim Pryor <profjim@jimpryor.net>

diff --git a/how_to_get_the_programming_languages_running_on_your_computer.mdwn b/how_to_get_the_programming_languages_running_on_your_computer.mdwn
index 0bfcef2..a54e9ba 100644 (file)
--- a/how_to_get_the_programming_languages_running_on_your_computer.mdwn
+++ b/how_to_get_the_programming_languages_running_on_your_computer.mdwn
@@ -82,6 +82,8 @@ another Scheme implementation, though, there's no compelling reason to switch.)
 
 Since the name change is so recent, you're likely to run across both sets of names.
 
+PLT/Racket stands to Scheme in something like the relation Firefox stands to HTML. It's one program among others for working with the language; and many of the available programs permit different extensions, have small variations, and so on.
+
 PLT Scheme had several components. The two most visible components for us
 were the command-line interpreter "mzscheme" and a teaching-friendly editor/front-end "DrScheme". In
 Racket these have been renamed "racket" and "DrRacket",

diff --git a/index.mdwn b/index.mdwn
index a565531..e3053da 100644 (file)
--- a/index.mdwn
+++ b/index.mdwn
@@ -122,7 +122,7 @@ and Caml, which are prominent *functional programming languages*. We'll explain
 what that means during the course.
 
 *      **Scheme** is one of two major dialects of *Lisp*, which is a large family
-of programming languages. The other dialect is called "CommonLisp." Scheme
+of programming languages. The other dialect is called "Common Lisp." Scheme
 is the more clean and minimalistic dialect, and is what's mostly used in
 academic circles.
 Scheme itself has umpteen different "implementations", which share most of
@@ -132,6 +132,8 @@ PLT Scheme, and has just in the past few weeks changed their name to Racket.
 This is what we recommend you use. (If you're already using or comfortable with
 another Scheme implementation, though, there's no compelling reason to switch.)
 
+       Racket stands to Scheme in something like the relation Firefox stands to HTML.
+
 *      **Caml** is one of two major dialects of *ML*, which is another large
 family of programming languages. The other dialect is called "SML" and has
 several implementations. But Caml has only one active implementation,